234 PROCEEDINGS OF THE ACADEMY OF [June^ 



slightly heavier punctulation and lateral carinse of the dorsal abdomi- 

 nal segments. 



Euborellia ambigua (Borelli). 



1906. Anisolabis ambigua Borelli, Boll. Mus. Zool. Anat. comp. Univ. 



Torino, XXI, No. 531, p. 3. [Jesus Maria River, Costa Rica.] 

 Port of Spain, Trinidad, III, 4, 1910, (Crampton & Lutz), IcT, [A. N. S. P.]. 



This species is closely related to Euborellia janeirensis. The 

 antennae are not annulate. 



Euborellia annulipes 'H. Lucas). 



1847. Forficesila annulipes Lucas, Ann. Soc. Ent. France, (2), .V, p^ 

 LXXXIV. ["Jardin des Plant es, Paris"; probably introduced.] 



Tomb of Maximus, Rome, Italy, VH, 24, 190S, (M. Hebard; under stone 

 on Campagna), 1 juv., [Hebard Cln.]. 



LABIDURIN.E. 

 Labidura xanthopus (St&l). 



1855. Forficesila xanthopus St&l, Oefv. Vet.-Akad. Forh., XII, p. 348. 

 Carcarana, Argentina, (L. Bruner), Icf, 19, [A. N. M. H.]. 



Labidura riparia (Pallas). 



1773. Forficula riparia Pallas, Reise, Russ. Reichs, pt. II, p. 727. [Shores 

 of Irtysch River, western Siberia.] 



Biskra, Algeria, 1889, (Desbrothers), lo", [Hebard Cln.]. 

 Tamatave, Madagascar, 1 $ , [Hebard Cln.]. 



The specimen from Biskra is rather pale, with wings scarcely 

 showing beyond the tegmina and with the two, latero-median pro- 

 jections of the clisto-dorsal abdominal segment distinct. The speci- 

 men from Tamatave is rather dark, with wings projecting one 

 millimeter. 



Forcipula despinosa new species. PI. XVI, fig. 1. 



This is the only species of the genus which has the sides of the 

 abdomen smooth. This character would assign the species to 

 Labidura in the existing keys, but there is no question that Forcipula 

 is the genus to which the species properly belongs, and it is, indeed, 

 not widely separated from other Indian species, as might be inferred 

 from that single feature. 



In the body pubescence the species agrees with F. trispinosa and 

 F. pugnax, but shows closer similarity to F. quadrispinosa in the shape 

 of the forceps. It is very distinctive in entirely lacking projections 

 of the dorsal abdominal segments and in the microscopically pitted 

 surface of the metazona, tegmina and wings. 



Type: d^ ; Northern India. [Hebard Collection, Type No. 437.] 



Size slightly smaller, form similar to that of quadrispinosa . Head, 

 pronotum, tegmina, exposed surface of wings and dorsal surface of 



